8626861444 has 12 divisors (see below), whose sum is σ = 15099538384. Its totient is φ = 4312707624.

The previous prime is 8626861343. The next prime is 8626861457. The reversal of 8626861444 is 4441686268.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153474 + ... + 202009.

Almost surely, 2^8626861444 is an apocalyptic number.

It is an amenable number.

8626861444 is a deficient number, since it is larger than the sum of its proper divisors (6472676940).

8626861444 is a wasteful number, since it uses less digits than its factorization.

8626861444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361554 (or 361552 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 49.

The square root of 8626861444 is about 92880.8992419862. The cubic root of 8626861444 is about 2050.9304872880.

The spelling of 8626861444 in words is "eight billion, six hundred twenty-six million, eight hundred sixty-one thousand, four hundred forty-four".